NDIO HIVYO

Raivany na mond nani mkali
RAIVANY ANAJUA ILA MOND UMAALUFU UNAMBEBA
Biology is important to human life coz every thing we do we use biology..............so what is your opinion?
BIOLOGY IS IMPORTANT TO HUMAN LIFE COZ WITHOUT SCIENCE WE CAN"NT DO ANY THING
Definebiology
BIOLOGY IS THE BRANCH SCIENCE WHICH DEAL WITH THE STUDY OF LIVING ORGANISMS
How to light bunsen burner
FIRST CONNECT THE GAS SUPPLY TUBE TO THE BUNSEN BURNER
OPEN THE GAS TAP TO GAS SUPPLY
OPEN THE AIR HOLE IF YOU WANT NON LUMINOUS FLAME
ISTHE GAS WHICH FOUND IN ATMOSPHERE WHICH COVER ABOUT 21%